Temperatures in May

It's pleasantly warm in May in Flagstaff with an average temperature of 20°C. Temperatures this month range from a low of 14°C to a high of 25°C. At night, you can expect temperatures between 0°C and 8°C.

Max and Min Temperatures per Day

This chart shows the daily maximum and minimum temperatures in degrees Celsius for Flagstaff in May. The red line indicates the max temperatures, and the blue line shows the minimums.

Start of May

The month of May starts in Flagstaff with mild temperatures, averaging around 19°C during the day and nights close to 3°C. There’s little chance of precipitation. The weather is mostly sunny and dry.

Mid-May

By mid-May, the average daytime temperature rises to around 20°C, with nights close to 3°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.

End of May

By the end of May, the average daytime temperature in Flagstaff will be around 23°C, with nights close to 4°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.

Discover cheap trips to Flagstaff

Precipitation in May

In May, there is an average of 29 mm of precipitation, spread over 4 days. Of the total precipitation, about 1,2 cm falls as snow in May. The wind speed is around 5 Bft, mostly coming from the Southwest.

The precipitation chance averages 14% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.

Precipitation Chance

This chart shows the daily precipitation chance (in percentages) in May for Flagstaff. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.

Flagstaff in May		London
Average Temperature	20°C	18°C
High Temp	25°C	21°C
Low Temp	14°C	15°C
Total Precipitation	29 mm	46 mm
Rainy Days	4 days	8 days
Total Snowfall	1,2 cm	0 cm
Snowy Days	1 day	0 days

April

June

UV index

The UV index is a maximum of 4 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.

Is May a good time to visit Flagstaff?

Want nice weather? Then May is a great time to be in Flagstaff. You’ll have pleasant temperatures and not too much rain this month.

Temperature records for Flagstaff in May

With 29°C, Flagstaff hit the highest temperature in the last 10 years in May 2020. The lowest daytime temperature in this month was 4°C in 2015. The extreme night temperatures ranged from a low of -5°C to a high of 13°C.

Check out the climate of Flagstaff for all months and discover the best travel time

April

June

Plan your next holiday

Don’t miss the best holiday deals for Flagstaff and see what our partners have for you.

Daily Temperature in May in Flagstaff

This chart shows the average daily temperatures, both day and night, for each day in May in Flagstaff, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.

Daily Precipitation in May in Flagstaff

The chart below shows the average daily precipitation in May for Flagstaff, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.

A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for May, you can expect around 4 days of rain in Flagstaff.

Daily Snowfall in May in Flagstaff

This chart shows the average daily snowfall in May in Flagstaff, measured in centimetres. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in May.

Daily UV Index in May in Flagstaff

This chart shows the average daily UV index in May in Flagstaff, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Temperature in May in Flagstaff Over the Years

This chart shows the average temperature in May in Flagstaff, measured in degrees Celsius, over the past years.

Total Precipitation in May in Flagstaff Over the Years

This chart shows the average precipitation in May in Flagstaff, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.

Snowfall in May in Flagstaff per year

This chart shows the average snowfall in May in Flagstaff, measured in centimetres, over the past years.

Snowfall in May in Flagstaff over the past years

April

June

Daily climate in May for Flagstaff

Click on a specific day in May for detailed info on the typical weather on that day in Flagstaff. Check out the historical temperatures and precipitation over the past 10 years on this day.

Average Weather in Flagstaff by Month

Click on a month below to see detailed weather info for Flagstaff. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.